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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

Radial flow type
Axial flow type
Centrifugal type
None of the listed here

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Compressors, Gas Turbines and Jet Engines
The net work input required for compressor with increase in clearance volume

Increases/decreases depending on compressor capacity
Remains same
Decreases
Increases

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Compressors, Gas Turbines and Jet Engines
The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure.

None of the listed here
More than
Less than
Equal to

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Compressors, Gas Turbines and Jet Engines
For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure)

(p₁ - p₂)/2
(p₁ + p₂)/2
p₁ p₂
p₁/p₂

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.

Same
Lower
None of these
Higher

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

20 bar
50 bar
10 bar
30 bar

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